ALPINESTARS Nucleon KR-Cell CIR Chest Protector - Large 6702020-003-L XD-4/VX-Pro3/VX-Pro4 Helmet Liner — S Hard anodized for longer wear

Hard anodized for longer wear resistance than OEM design

Designed to replace OEM stock footpeg pin and spring

Sound Insert with Spark Arrestor DB @ 5000 RPM 98

Alpinestars Lace-Lock System is constructed from an advanced polymer resin to provide a quick

billet aluminum flanges

ALPINESTARS Nucleon KR-Cell CIR Chest Protector - Large 6702020-003-L XD-4/VX-Pro3/VX-Pro4 Helmet Liner — S Hard anodized for longer wearThe Nucleon KR CiR is a high performance, super lightweight track and race chest protector featuring the Nucleon Cell technology The double layered chest shell plate is constructed from a high performance polymeric material blend for optimized flexibility and excellent weight saving properties The chest protector's structure design and structure changes from the center towards the outside and provides the perfect balance between force dispersion and